<template>
  <div class="panel-tab__content">
    <div class="panel-tab__content--title">
      <span><el-icon style="margin-right: 8px; color: #555555"><Menu /></el-icon>消息列表</span>
      <el-button size="small" type="primary" :icon="Plus" @click="openModel('message')">创建新消息</el-button>
    </div>
    <el-table :data="messageList" size="small" border>
      <el-table-column type="index" label="序号" width="60px" />
      <el-table-column label="消息ID" prop="id" max-width="300px" show-overflow-tooltip />
      <el-table-column label="消息名称" prop="name" max-width="300px" show-overflow-tooltip />
    </el-table>
    <div class="panel-tab__content--title" style="padding-top: 8px; margin-top: 8px; border-top: 1px solid #eeeeee">
      <span><el-icon style="margin-right: 8px; color: #555555"><Menu /></el-icon>信号列表</span>
      <el-button size="small" type="primary" :icon="Plus" @click="openModel('signal')">创建新信号</el-button>
    </div>
    <el-table :data="signalList" size="small" border>
      <el-table-column type="index" label="序号" width="60px" />
      <el-table-column label="信号ID" prop="id" max-width="300px" show-overflow-tooltip />
      <el-table-column label="信号名称" prop="name" max-width="300px" show-overflow-tooltip />
    </el-table>

    <el-dialog v-model="dialogVisible" :title="modelConfig.title" :close-on-click-modal="false" width="400px" append-to-body destroy-on-close>
      <el-form :model="modelObjectForm" size="small" label-width="90px" >
        <el-form-item :label="modelConfig.idLabel">
          <el-input v-model="modelObjectForm.id" clearable />
        </el-form-item>
        <el-form-item :label="modelConfig.nameLabel">
          <el-input v-model="modelObjectForm.name" clearable />
        </el-form-item>
      </el-form>
      <template #footer>
        <el-button size="small" @click="dialogVisible = false">取 消</el-button>
        <el-button size="small" type="primary" @click="addNewObject">保 存</el-button>
      </template>
    </el-dialog>
  </div>
</template>

<script lang="ts" setup>
  import { Plus } from '@element-plus/icons-vue'

  defineOptions({ name: 'SignalAndMassage' })

  const signalList = ref<any[]>([])
  const messageList = ref<any[]>([])
  const dialogVisible = ref(false)
  const modelType = ref('')
  const modelObjectForm = ref<any>({})
  const rootElements = ref()
  const messageIdMap = ref()
  const signalIdMap = ref()
  const modelConfig = computed(() => {
    if (modelType.value === 'message') {
      return { title: '创建消息', idLabel: '消息ID', nameLabel: '消息名称' }
    } else {
      return { title: '创建信号', idLabel: '信号ID', nameLabel: '信号名称' }
    }
  })
  const bpmnInstances = () => (window as any)?.bpmnInstances

  const initDataList = () => {
    console.log(window, 'window')
    rootElements.value = bpmnInstances().modeler.getDefinitions().rootElements
    messageIdMap.value = {}
    signalIdMap.value = {}
    messageList.value = []
    signalList.value = []
    rootElements.value.forEach((el) => {
      if (el.$type === 'bpmn:Message') {
        messageIdMap.value[el.id] = true
        messageList.value.push({ ...el })
      }
      if (el.$type === 'bpmn:Signal') {
        signalIdMap.value[el.id] = true
        signalList.value.push({ ...el })
      }
    })
  }
  const openModel = (type) => {
    modelType.value = type
    modelObjectForm.value = {}
    dialogVisible.value = true
  }
  const addNewObject = () => {
    if (modelType.value === 'message') {
      if (messageIdMap.value[modelObjectForm.value.id]) {
        message.error('该消息已存在，请修改id后重新保存')
      }
      const messageRef = bpmnInstances().moddle.create('bpmn:Message', modelObjectForm.value)
      rootElements.value.push(messageRef)
    } else {
      if (signalIdMap.value[modelObjectForm.value.id]) {
        message.error('该信号已存在，请修改id后重新保存')
      }
      const signalRef = bpmnInstances().moddle.create('bpmn:Signal', modelObjectForm.value)
      rootElements.value.push(signalRef)
    }
    dialogVisible.value = false
    initDataList()
  }

  onMounted(() => {
    initDataList()
  })

</script>
